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Edit this profileAt a glance
- 2540 23Rd St Bldg 7, San Francisco, CA 94143
About Dr. Xu
Mark C. Xu, MD is a healthcare provider in San Francisco, CA specializing in orthopedic surgery. Mark trained at University of Manitoba, Faculty of Medicine, graduating in 2016. Mark is also listed as specializing in orthopaedic surgery of the spine, orthopaedic trauma, and orthopaedic surgery. According to Medicare claims data, the services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes and treatment of broken neck of thigh bone with bone implant. This provider record is associated with NPI 1003699471.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 476-2124
- Email not available
Practice Locations
2540 23RD ST BLDG 7
San Francisco, CA 94143
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
22 services · 22 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Treatment of broken neck of thigh bone with bone implant | Procedure | 27245 |
11 | Less often than most peers in Orthopedic Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 | Less often than most peers in Orthopedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 20 related providers in 4 groups
Other orthopedic surgeons in San Francisco 8
Same specialty, same city.
Trained at University of Manitoba, Faculty of Medicine 3
Other providers in the same specialty who trained at the same institution.
Class of 2016 at University of Manitoba, Faculty of Medicine 1
Providers who graduated from the same medical school in the same year.
Also performs Treatment of broken neck of thigh bone with bone implant 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Xu specialize in?
Dr. Xu is an orthopedic surgeon in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is Dr. Xu located?
Dr. Xu is listed at 2540 23Rd St Bldg 7, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Xu's phone number?
The number on file is (415) 476-2124. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Xu?
Dr. Xu's National Provider Identifier is 1003699471. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Xu go to medical school?
Dr. Xu attended University of Manitoba, Faculty of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Xu have?
Dr. Xu has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Xu do most often?
According to Medicare billing data, Dr. Xu performs procedures including treatment of broken neck of thigh bone with bone implant, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Xu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Xu. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.